Perhaps you should try some spelling variations:
communication protocol » communication protocols, communication practices, communication policy
des communication » les communications, nets communication, c's communication
4a information » a information, via information, lca information
technology 4a » technology 4, technology a, technology 4.1
information b » information 2, information 1, information bank
protocol 2 » protocol _, protocol 3, protocol 1
2.2 des » 2.2 der, 2.2 das, 2.2 deep
b 2.2 » _ 2.2, b 2.1

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology 4a information b 2.2 des communication protocol 2 development latin afrique.*.